one op-ed suggests it may be linked to drop in tax and regulatory policies, that discouraged business investment and job creation for all workers, including union workers. lou dobbs is the host of "lou dobbs tonight" and the percentage of union workers, the lowest in 76 years. >> and it's a decline taking place, megyn under president obama whose principle allies and his ground operations are america's labor unions. the afl-cio service employees unions, the teachers unions, and the national labor relations board which he has stacked with his democratic allies, pro labor, driving the principal agency in charge of relations between business and labor. >> megyn: they've tried to make it as easy as possible nlrb for a company to union, a work force to unionize. why is it? because the companies are hurting and therefore, they dent feel -- the unions don't feel like they could extract what they want from the company, so why bother? >> well, the unions are extracting what they can and it has risen in point of fact. and the extraction takes place really between the union member, the man or wom